28660460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13147}}^1$

素因数の和:13265

約数の個数: 24

約数和(自身を含む): 60743760

約数和(自身を除く): 32083300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13147, 26294, 52588, 65735, 131470, 262940, 1433023, 2866046, 5732092, 7165115, 14330230, 28660460]

約数ペア:

[(1, 28660460), (2, 14330230), (4, 7165115), (5, 5732092), (10, 2866046), (20, 1433023), (109, 262940), (218, 131470), (436, 65735), (545, 52588), (1090, 26294), (2180, 13147)]